Lorient in Fall

In fall (September, October and November), Lorient sees average daytime highs around 16°C and overnight lows near 11°C, with 252 mm of rain over about 34 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Over the season highs ease from about 20°C in early September to 11°C by late November. The sky is clear or mostly clear about 22% of the time across fall, and the air most often feels dry.

Fall is Lorient's 2nd-best season to visit on our travel score. For the whole year in context, see Lorient's year-round climate.

Avg daytime high
16°C
2nd-warmest season
Avg overnight low
11°C
Rainfall
252 mm
34 wet days
Avg wind
20 km/h
Travel score
4.6
2nd-best season
Months
Sep · Oct · Nov

Temperature in Lorient in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 20°C in early September to 11°C by late November.

A typical fall day in Lorient reaches about 16°C and drops to 11°C overnight. The warmest of the three months is September, the coolest November.

10°15°20°25°SepOctNov

Lorient weather by month

How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan / 96138.71.8
Feb / 71119.91.8
Mar11° / 5710.711.62.6
Apr13° / 6010.513.43.5
May16° / 11°5410.114.94.8
Jun18° / 13°43815.76.1
Jul20° / 15°397.815.46.7
Aug20° / 15°468.114.16.7
Sep19° / 14°567.712.46.3
Oct16° / 12°9812.710.64.5
Nov12° / 9713.69.13.0
Dec10° / 10613.38.32.1

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Lorient gets around 252 mm of rain over 34 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 20 km/h across fall.

0510152025SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 h 12 min in early September to 8 h 30 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 2.5 kWh/m².

024SepOctNov
Planning a trip in fall

Is fall a good time to visit Lorient?

Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

4.6
Sightseeing
2nd-best month of the year
1.0
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Lorient for sightseeing.

What to pack for Lorient in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Lorient sees daytime highs around 16°C and nights near 11°C. Worth packing: a warm layer, rain gear and a windbreaker. About 34 days see rain.

a warm layerrain geara windbreaker

Sea temperature near Lorient in Fall

The nearest coast averages about 16°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in August at about 18°C and coldest in February near 10°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan11Bracing
Feb10Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun16Cool
Jul18Cool
Aug18Cool
Sep17Cool
Oct16Cool
Nov14Bracing
Dec12Bracing

UV index in Lorient in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lorient peaks around August 10 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowAug 10UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5High
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Lorient?

Lorient sits at 47.7°N, 3.4°W, 10 m above sea level, in France. The nearest listed city is Lanester, 3.0 km away.

Topography around Lorient

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lorient.

Within 3 km, the terrain around Lorient has only modest variations in elevation — a maximum elevation change of 57 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 137 m; within 80 km, significant variations in elevation — a maximum elevation change of 373 m.

The land around Lorient is covered by artificial surfaces (41%) and trees (27%) within 3 km, water (33%) and trees (30%) within 16 km, and water (37%), trees (25%) and cropland (21%) within 80 km.

3 km
57 m
16 km
137 m
80 km
373 m
treesgrasslandcroplandartificial surfaceswaterwetland
Fall weather nearby: Lanester 3.0 km · Ploemeur 5.0 km · Concarneau 43 km · Pontivy 47 km · Vannes 47 km · Quimper 61 km · Douarnenez 81 km · Guérande 85 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Lorient (47.7482°, -3.3718°, elevation 10 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.